This is a great advertisement for Monero if you watch the video. From the start the Chainalysis agent is in awe of Moneros privacy.

Despite the target using a malicious public node, aside from trying to guess an IP address, they can't really gather much from it. He throws caveats through the whole video: "might be the user" "no strong indications" "I don't feel confident" "we have to keep in mind that's just one possibility...we do not know with any certainty..." "not many bread crumbs to follow"

And they still have zero knowledge of the amount of Monero sent or who it was sent to.

"If you are a privacy advocate it really is objectively better than Bitcoin